76630305 has 16 divisors (see below), whose sum is σ = 129821184. Its totient is φ = 38465280.

The previous prime is 76630303. The next prime is 76630327. The reversal of 76630305 is 50303667.

It is not a de Polignac number, because 76630305 - 2¹ = 76630303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76630303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150001 + ... + 150510.

It is an arithmetic number, because the mean of its divisors is an integer number (8113824).

Almost surely, 2^76630305 is an apocalyptic number.

It is an amenable number.

76630305 is a deficient number, since it is larger than the sum of its proper divisors (53190879).

76630305 is a wasteful number, since it uses less digits than its factorization.

76630305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300536.

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 76630305 is about 8753.8737139623. The cubic root of 76630305 is about 424.7501276299.

The spelling of 76630305 in words is "seventy-six million, six hundred thirty thousand, three hundred five".